251122543

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{4231}}^1$

素因数の和:4438

約数の個数: 16

約数和(自身を含む): 293870080

約数和(自身を除く): 42747537

約数列:

[1, 7, 61, 139, 427, 973, 4231, 8479, 29617, 59353, 258091, 588109, 1806637, 4116763, 35874649, 251122543]

約数ペア:

[(1, 251122543), (7, 35874649), (61, 4116763), (139, 1806637), (427, 588109), (973, 258091), (4231, 59353), (8479, 29617)]